<style>
.vertical-center{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
</style>
<div style="text-align: center;">
	<div class="alert alert-info vertical-center" style="width: 350px;">
		<a href="#" class="close" data-dismiss="alert">&times;</a>
		<div class="hero-unit">
			<h4>您没有该功能权限</h4>
			<p>请联系管理员:023-81996181</p>
			<p><a class="btn btn-primary btn-large" data-dismiss="alert">知道了</a></p>
		</div>
	</div>
</div>